Thread: == Active Autowerke E9X M3 Signature X Pipe Options In High Res ==
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      08-21-2013, 08:21 PM   #21
SflBimmer8484
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Quote:
Originally Posted by DVG 335 View Post
You will need a tune to pass inspection in NYS, as you will be getting CELs from cat inefficiency with the HFC x-pipe.
Correct. Software will be needed when using high flow catalytics.
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